Automatic Glow Time Control Module -J179-: Notes

WARNING: This page is about a different car, the 2014 Volkswagen Passat, 2013 Volkswagen Passat, and 2012 Volkswagen Passat. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Automatic Glow Time Control Module

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

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Automatic Glow Time Control Module -J179-

The pre-glow system is controlled by the automatic glow time control module -J179-. The Automatic Glow Time Control Module -J179- is On Board Diagnostic (OBD) capable.

If there is a malfunction in the pre-glow system, a fault will be stored in the Engine Control Module (ECM).

Checking the pre-glow system is explained in "Guided Fault Finding".

Electronically controlled glow plugs with a separate glow plug control module was installed in order to reach a quick starting function.

Each glow plug is controlled and diagnosed individually.